1230122123 has 2 divisors, whose sum is σ = 1230122124. Its totient is φ = 1230122122.

The previous prime is 1230122039. The next prime is 1230122141. The reversal of 1230122123 is 3212210321.

It is a strong prime.

It is an emirp because it is prime and its reverse (3212210321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230122123 - 2²⁶ = 1163013259 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1230122143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615061061 + 615061062.

It is an arithmetic number, because the mean of its divisors is an integer number (615061062).

Almost surely, 2^1230122123 is an apocalyptic number.

1230122123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230122123 is an equidigital number, since it uses as much as digits as its factorization.

1230122123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1230122123 is about 35073.0968549970. The cubic root of 1230122123 is about 1071.4767285775.

Adding to 1230122123 its reverse (3212210321), we get a palindrome (4442332444).

The spelling of 1230122123 in words is "one billion, two hundred thirty million, one hundred twenty-two thousand, one hundred twenty-three".